Backlighting apparatus for a keypad assembly
US8658925B2 · kind B2 · utility
2Cited by
12References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2013 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Apr 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keypad assembly including a dome configured to operatively engage a switch sensor; a dome overlay guide operatively coupled by to the dome; a key corresponding to the dome and configured to operatively engage the dome; and a light emitting source, configured to emit light. The dome overlay guide is configured to receive the light emitted by the light emitting source and direct the received light toward the keys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.